【单选题】
—Guest: Oh, it’s ten o’clock. I’d better go now.—Host: ____.
①
OK. Please walk slowly and take care.
②
Why do you want to go now? Don’t you want to stay?
③
Yeah, it’s really late. Why not immediately?
④
Won’t you stay for another cup of coffee?
【单选题】
在2HCHO+NaOH(浓)→HCOONa+CH3OH中,HCHO(甲醛)( )。
【单选题】
21.—I went to visit Xi`an City Wall yesterday afternoon. ---Oh, did you ? _______.
【单选题】
石灰(CaO)加水之后水化为熟石灰[Ca(OH)2]的过程,称为( )。
【单选题】
—I’ve got an offer in New York. —Oh, ____! But I’m going to miss you.
【单选题】
A: Itll take at least 2 hours to do this! B: Oh, [填空]! I could do it in 30 minutes.
【单选题】
—I’m sorry to keep you waiting. —Oh, not at all. I___ here only a few minutes.
【单选题】
----Amy, I called you yesterday evening, but nobody answered the phone.----Oh, I _______ a walk with my mother at that time.
【单选题】
A: Were having a few people over for dinner Saturday. [填空] B: Oh, thank you. That would be great.
①
Are you doing anything then?
②
Wed love to have you around.
④
Have you heard about it?
【单选题】
---Why didn’t John call me ? ---Oh, his cell-phone ran out of power, otherwise he______ you.